A 4 2 6 July 8, 2019 16 32 64 128 A 4 2 6 3 A 2 4 6 8 10 A 2 4 6 8 A 2 4 6 100 A 0 2 4 6 8 A 0 2 4 6 A 4 b 6 2 A 1 2 4 6 A 2 4 5 6 A 1 2 3 4 5 6 A= 2 4 6 A+4 6